TY  - JOUR
A1  - Varea, Carlos
A1  - Bernis, Cristina
A1  - González González, Antonio 
T1  - Maternal Characteristics and Temporal Trends in Birth Outcomes: Comparison between Spanish and Migrant Mothers
Y1  - 2012
DO  - 10.1155/2012/412680
JF  - International Journal of Population Research
VL  - 2012

ER  -